遗物
先看它在什么时候真的有用
每次触发【冻结】都会顺手给目标补一个随机异常，让冰霜核心顺便养活多状态联动。吃异常种类收益的 Build 拿它最香；没有稳定冻结来源就别考虑。
带入规划器怎么决定要不要拿
Take it when your current route already produces the freeze, frost, crowd signals. The value comes from repeating that event, not from the item name or rarity alone.
If none of its triggers are happening yet, keep the slot open for a pick that strengthens the engine already on screen.
证据和关联对象
证据标记：Data-backed blueprint。数据按英文名称核对，中文名称只作为查找辅助。